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https://www.readbyqxmd.com/read/28224627/nitrogen-deposition-cancels-out-exotic-earthworm-effects-on-plant-feeding-nematode-communities
#1
Yuanhu Shao, Weixin Zhang, Nico Eisenhauer, Tao Liu, Yanmei Xiong, Chenfei Liang, Shenglei Fu
1.The activity and spread of exotic earthworms often are spatially correlated with N deposition because both arise from human activities. Exotic earthworms, in turn, can also greatly affect soil abiotic and biotic properties, as well as related ecological processes. Previous studies showed, for example, that earthworms can counteract the detrimental effects of plant-feeding nematodes on plant growth. However, potential interactive effects of N deposition and exotic earthworms on ecosystems are poorly understood...
February 21, 2017: Journal of Animal Ecology
https://www.readbyqxmd.com/read/28224147/facile-synthesis-of-core-shell-nanostructured-hollow-carbon-nanospheres-nickel-cobalt-double-hydroxides-as-high-performance-electrode-materials-for-supercapacitors
#2
Juan Xu, Chaojie Ma, Jianyu Cao, Zhidong Chen
Core-shell nanostructured hollow carbon nanospheres@nickel cobalt double hydroxides (HCNs@NiCo-LDH) were fabricated using a facile hydrothermal method and investigated as high-performance electrode materials for supercapacitors. HCNs were acquired by a successive polymerization, carbonization and etching process, which was subsequently wrapped by ultrathin NiCo-LDH nanosheets. The HCNs@NiCo-LDH electrode achieved a high specific capacitance (2558 F g(-1) at 1 A g(-1)) and outstanding rate capability with 74...
February 22, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28223895/rosacea-fulminans-precipitated-by-acute-stress-a-case-report-describing-an-integrative-approach-for-a-patient-reluctant-to-use-isotretinoin
#3
Patrick Veerkamp, Nico Mousdicas, Robert Bednarek
CONTEXT: Rosacea fulminans is a rare skin disorder with a multifactorial etiology. Stress is one of the common precipitating factors of this condition but is not often targeted in treatment. Isotretinoin is considered part of the first-line therapy for this condition but, in cases where its use is restricted, other therapeutic interventions as part of an integrative approach may be effective. PATIENT CONCERNS: A 38-y-old female presented with rosacea fulminans brought on by an acutely stressful event...
December 2016: Integrative Medicine
https://www.readbyqxmd.com/read/28218795/defensive-coping-and-essential-amino-acid-markers-as-possible-predictors-for-structural-vascular-disease-in-an-african-and-caucasian-male-cohort-the-sabpa-study
#4
Marisa Möller, Leoné Malan, Martin Magnusson, Carina M C Mels, Nico T Malan
Defensive coping (DefS), oxidative stress, inflammation, and related amino acids (phenylalanine [Phe] and tyrosine [Tyr]) have been implicated in cardiovascular disease. This study assessed whether inflammation, oxidative stress, changes in essential amino acids, and altered coping strategies are correlated with subclinical vascular changes in African (n = 82) and Caucasian (n = 100) men from the Sympathetic Activity and Ambulatory Blood Pressure in Africans (SABPA) study. The Coping Strategy Indicator questionnaire identified DefS participants...
February 20, 2017: Psychophysiology
https://www.readbyqxmd.com/read/28216107/an-endoplasmic-reticulum-engineered-yeast-platform-for-overproduction-of-triterpenoids
#5
Philipp Arendt, Karel Miettinen, Jacob Pollier, Riet De Rycke, Nico Callewaert, Alain Goossens
Saponins are a structurally diverse family of triterpenes that are widely found as main constituents in many traditional plant-based medicines and often have bioactivities of industrial interest. The heterologous production of triterpene saponins in microbes remains challenging and only limited successful pathway engineering endeavors have been reported. To improve the production capacities of a Saccharomyces cerevisiae saponin production platform, we assessed the effects of several hitherto unexplored gene knockout targets on the heterologous production of triterpenoids...
February 16, 2017: Metabolic Engineering
https://www.readbyqxmd.com/read/28214497/incidence-of-pulmonary-embolism-in-patients-with-isolated-calf-deep-vein-thrombosis
#6
REVIEW
Alvin R Wu, Jonah Garry, Nicos Labropoulos
BACKGROUND: The severity of pulmonary embolism (PE) after isolated calf deep vein thrombosis (C-DVT) is controversial, which leads to inconsistent clinical decision making when treating C-DVT. This systematic review assessed PE frequency and severity in patients with C-DVT. METHODS: Database searches were completed using MEDLINE and Scopus along with cross-referencing. Two independent reviewers used using rigorous inclusion and exclusion criteria to screen the papers...
March 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28214490/saphenous-vein-wall-thickness-in-age-and-venous-reflux-associated-remodeling-in-adults
#7
Nicos Labropoulos, Kelli Leilani Summers, Ignacio Escotto Sanchez, Joseph Raffetto
OBJECTIVE: This prospective study was designed to determine the great saphenous vein (GSV) wall thickness in age-related and venous reflux-associated remodeling. METHODS: GSV wall thickness was measured in the thigh and calf using a duplex ultrasound 17-MHz transducer. Interobserver and intraobserver variability studies were performed. Two healthy control groups, each with 10 individuals (20 limbs), were selected on the basis of age. Group 1 had a mean age of 21 years, and group 2 had a mean age of 64 years...
March 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28213466/mechanisms-of-cell-polarity-controlled-epithelial-homeostasis-and-immunity-in-the-intestine
#8
Leon J Klunder, Klaas Nico Faber, Gerard Dijkstra, Sven C D van IJzendoorn
Intestinal epithelial cell polarity is instrumental to maintain epithelial homeostasis and balance communications between the gut lumen and bodily tissue, thereby controlling the defense against gastrointestinal pathogens and maintenance of immune tolerance to commensal bacteria. In this review, we highlight recent advances with regard to the molecular mechanisms of cell polarity-controlled epithelial homeostasis and immunity in the human intestine.
February 17, 2017: Cold Spring Harbor Perspectives in Biology
https://www.readbyqxmd.com/read/28211906/dynamics-of-male-meiotic-recombination-frequency-during-plant-development-using-fluorescent-tagged-lines-in-arabidopsis-thaliana
#9
Fan Li, Nico De Storme, Danny Geelen
Meiotic homologous recombination plays a central role in creating genetic variability, making it an essential biological process relevant to evolution and crop breeding. In this study, we used pollen-specific fluorescent tagged lines (FTLs) to measure male meiotic recombination frequency during the development of Arabidopsis thaliana. Interestingly, a subset of pollen grains consistently shows loss of fluorescence expression in tested lines. Using nine independent FTL intervals, the spatio-temporal dynamics of male recombination frequency was assessed during plant development, considering both shoot type and plant age as independent parameters...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28210353/prevalence-of-horizontal-violence-among-emergency-attending-physicians-residents-and-physician-assistants
#10
Nico B Volz, Ryan Fringer, Bradford Walters, Terry Kowalenko
INTRODUCTION: Horizontal violence (HV) is malicious behavior perpetrated by healthcare workers against each other. These include bullying, verbal or physical threats, purposeful disruptive behavior, and other malicious behaviors. This pilot study investigates the prevalence of HV among emergency department (ED) attending physicians, residents, and mid-level providers (MLPs). METHODS: We sent an electronic survey to emergency medicine attending physicians (n=67), residents (n=25), and MLPs (n=24) in three unique EDs within a single multi-hospital medical system...
February 2017: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28207814/jmjd-5-kdm8-regulates-h3k36me2-and-is-required-for-late-steps-of-homologous-recombination-and-genome-integrity
#11
Pier Giorgio Amendola, Nico Zaghet, João J Ramalho, Jens Vilstrup Johansen, Mike Boxem, Anna Elisabetta Salcini
The eukaryotic genome is organized in a three-dimensional structure called chromatin, constituted by DNA and associated proteins, the majority of which are histones. Post-translational modifications of histone proteins greatly influence chromatin structure and regulate many DNA-based biological processes. Methylation of lysine 36 of histone 3 (H3K36) is a post-translational modification functionally relevant during early steps of DNA damage repair. Here, we show that the JMJD-5 regulates H3K36 di-methylation and it is required at late stages of double strand break repair mediated by homologous recombination...
February 16, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28203199/plexiform-neurofibroma-involving-the-lacrimal-gland
#12
Mikael Hofsli, Nico Gampenrieder, Steffen Heegaard
BACKGROUND: To present a rare case of a 2-year-old girl with neurofibromatosis type 1 (NF1) who presented with ptosis of the right upper eyelid along with a tumor in the eyelid. METHODS: A magnetic resonance imaging scan of the orbit revealed a solid tumor located extraconally at the site of the right lacrimal gland. A transcranial orbitotomy was performed. RESULTS: Histopathological examination demonstrated expanded nerve branches/fascicles cut in various planes in between normal lacrimal gland acini...
January 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28199194/regulation-of-mitochondrial-gene-expression-the-epigenetic-enigma
#13
Archibold Mposhi, Monique Gp Van der Wijst, Klaas Nico Faber, Marianne G Rots
Epigenetics provides an important layer of information on top of the DNA sequence and is essential for establishing gene expression profiles. Extensive studies have shown that nuclear DNA methylation and histone modifications influence nuclear gene expression. However, it remains unclear whether mitochondrial DNA (mtDNA) undergoes similar epigenetic changes to regulate mitochondrial gene expression. Recently, it has been shown that mtDNA is differentially methylated in various diseases such as diabetes and colorectal cancer...
March 1, 2017: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28198896/size-dependent-stability-of-cobalt-nanoparticles-on-silica-under-high-conversion-fischer-tropsch-environment
#14
Moritz Wolf, Hendrik Kotzé, Nico Fischer, Michael Claeys
Highly monodisperse cobalt crystallites, supported on Stöber silica spheres, as model catalysts for the Fischer-Tropsch synthesis were exposed to simulated high conversion environments in the presence and absence of CO utilising an in house developed in situ magnetometer. The catalyst comprising the smallest crystallites in the metallic state (average diameter of 3.2 nm) experienced pronounced oxidation whilst the ratio of H2O to H2 was increased stepwise to simulate CO conversions from 26% up to complete conversion...
February 15, 2017: Faraday Discussions
https://www.readbyqxmd.com/read/28197581/effect-of-crystallite-size-on-the-performance-and-phase-transformation-of-co3o4-al2o3-catalysts-during-co-prox-an-in-situ-study
#15
Thulani M Nyathi, Nico Fischer, Andy P E York, Michael Claeys
The preferential oxidation of carbon monoxide has been identified as an effective route to remove trace amounts of CO (approx. 0.5-1.0 vol%) in the H2-rich reformate gas stream after the low-temperature water-gas shift. Instead of noble metal-based catalysts, Co3O4-based catalysts were investigated in this study as cheaper and more readily available alternatives. This study aimed at investigating the effect of crystallite size on the mass- and surface area-specific CO oxidation activity as well as on the reduction behaviour of Co3O4...
February 15, 2017: Faraday Discussions
https://www.readbyqxmd.com/read/28196017/endoscopic-ultrasonography-may-select-subjects-having-asymptomatic-chronic-pancreatic-hyperenzymemia-who-require-a-more-strict-follow-up
#16
Filippo Antonini, Valerio Belfiori, Nico Pagano, Elisabetta Buscarini, Samuele De Minicis, Massimiliano Lo Cascio, Barbara Marraccini, Simona Piergallini, Pamela Rossetti, Elena Andrenacci, Giampiero Macarri, Raffaele Pezzilli
OBJECTIVES: We have previously shown that at least 50% of patients having asymptomatic chronic pancreatic hyperenzymemia (ACPH) may develop morphological pancreatic alterations. Endoscopic ultrasonography (EUS) may detect small lesions, and its sensitivity seems to be higher than other imaging techniques. The aim of this study was to evaluate whether EUS may modify the management of patients having ACPH. METHODS: In 2 referral centers for pancreatic disease, a retrospective analysis of prospectively enrolled patients with ACPH was conducted...
February 14, 2017: Pancreas
https://www.readbyqxmd.com/read/28195529/suppressor-of-cytokine-signaling-socs-5-ameliorates-influenza-infection-via-inhibition-of-egfr-signaling
#17
Lukasz Kedzierski, Michelle D Tate, Alan C Hsu, Tatiana B Kolesnik, Edmond M Linossi, Laura Dagley, Zhaoguang Dong, Sarah Freeman, Giuseppe Infusini, Malcolm R Starkey, Nicola L Bird, Simon M Chatfield, Jeffrey J Babon, Nicholas Huntington, Gabrielle Belz, Andrew Webb, Peter Ab Wark, Nicos A Nicola, Jianqing Xu, Katherine Kedzierska, Philip M Hansbro, Sandra E Nicholson
Influenza virus infections have a significant impact on global human health. Individuals with suppressed immunity, or suffering from chronic inflammatory conditions such as COPD, are particularly susceptible to influenza. Here we show that suppressor of cytokine signaling (SOCS) 5 has a pivotal role in restricting influenza A virus in the airway epithelium, through the regulation of epidermal growth factor receptor (EGFR). Socs5-deficient mice exhibit heightened disease severity, with increased viral titres and weight loss...
February 14, 2017: ELife
https://www.readbyqxmd.com/read/28194999/upper-airway-stimulation-for-obstructive-sleep-apnea
#18
M Boyd Gillespie, Ryan J Soose, B Tucker Woodson, Kingman P Strohl, Joachim T Maurer, Nico de Vries, David L Steward, Jonathan Z Baskin, M Safwan Badr, Ho-Sheng Lin, Tapan A Padhya, Sam Mickelson, W McDowell Anderson, Olivier M Vanderveken, Patrick J Strollo
Objective To assess patient-based outcomes of participants in a large cohort study-the STAR trial (Stimulation Therapy for Apnea Reduction)-48 months after implantation with an upper airway stimulation system for moderate to severe obstructive sleep apnea. Study Design A multicenter prospective cohort study. Setting Industry-supported multicenter academic and clinical setting. Subjects Participants (n = 91) at 48 months from a cohort of 126 implanted participants. Methods A total of 126 participants received an implanted upper airway stimulation system in a prospective phase III trial...
February 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28192873/overview-of-human-salivary-glands-highlights-of-morphology-and-developing-processes
#19
REVIEW
Fernanda de Paula, Tathyane Harumi Nakajima Teshima, Ricardo Hsieh, Milena Monteiro Souza, Marcello Menta Simonsen Nico, Silvia Vanessa Lourenco
Salivary glands are essential organs that produce and secrete saliva to the oral cavity. During gland morphogenesis, many developmental processes involve a series of coordinated movements and reciprocal interactions between the epithelium and mesenchyme that generate the ductal system and the secretory units. Recent studies have shown new findings about salivary gland development, particularly regarding lumen formation and expansion, with the involvement of apoptosis and cell polarization, respectively. Moreover, it has been observed that human minor salivary glands start forming earlier than previously published and that distinct apoptotic mediators can trigger duct lumen opening in humans...
February 13, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28190771/obesity-induced-metabolic-stress-leads-to-biased-effector-memory-cd4-t-cell-differentiation-via-pi3k-p110%C3%AE-akt-mediated-signals
#20
Claudio Mauro, Joanne Smith, Danilo Cucchi, David Coe, Hongmei Fu, Fabrizia Bonacina, Andrea Baragetti, Gaia Cermenati, Donatella Caruso, Nico Mitro, Alberico L Catapano, Enrico Ammirati, Maria P Longhi, Klaus Okkenhaug, Giuseppe D Norata, Federica M Marelli-Berg
Low-grade systemic inflammation associated to obesity leads to cardiovascular complications, caused partly by infiltration of adipose and vascular tissue by effector T cells. The signals leading to T cell differentiation and tissue infiltration during obesity are poorly understood. We tested whether saturated fatty acid-induced metabolic stress affects differentiation and trafficking patterns of CD4(+) T cells. Memory CD4(+) T cells primed in high-fat diet-fed donors preferentially migrated to non-lymphoid, inflammatory sites, independent of the metabolic status of the hosts...
January 30, 2017: Cell Metabolism
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